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the cell in action
mishael bell
| Terms | Definition |
|---|---|
| diffusion | the movement of particles from regions of higher density to regions of lower density |
| osmosis | the diffusion of water through a semipermeable membrane |
| passive transport | the movement of substances across a cell membrane without the use of energy by the cell |
| active transport | the movement of substances across the cell membrane that requires the cell to use energy |
| endocytosis | the process which a cell membrane surrounds a particle and encloses the particle in a vesicle to bring the particle into the cell |
| exocytosis | the process in which a cell releases a particle by encloses the particle in a vesicle that then moves to the cell surface and fuses with the cell membrane |
| photosynthensis | the process by which plants algae and some bacteria use sunlight carbon dioxide and water the make food |
| cellular respiration | the process by which cells use oxygen to produces energy from food |
| fermentation | the breakdown of food without the use of oxygen |
| cell cycle | the cycle of a cell |
| chromosomes | in a Eukaryota cell one of the structures in the nucleus that are made up of DNA and protein |
| homologous chromosomes | chromosomes that have the same genes and the same structures |
| mitosis | in Eukaryota cells a process of division that forms 2 new nuclei |
| cytokinesis | the division of the cytoplasm of a cell |
Created by:
mahhwy
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